O2Micro Inc.
243Patents
229Active
243Granted
61Portfolio score
Filing activity: May 29, 2001 → Jan 25, 2024 · 104 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8378589B2 | Driving circuit with dimming controller for driving light sources | Emerging Cross-Sectional Technologies | 124 | Active |
| US9030122B2 | Circuits and methods for driving LED light sources | Electricity | 109 | Active |
| US8378588B2 | Circuits and methods for driving light sources | Emerging Cross-Sectional Technologies | 95 | Active |
| US8044608B2 | Driving circuit with dimming controller for driving light sources | Emerging Cross-Sectional Technologies | 83 | Active |
| US8076867B2 | Driving circuit with continuous dimming function for driving light sources | Emerging Cross-Sectional Technologies | 81 | Active |
| US8890440B2 | Circuits and methods for driving light sources | Electricity | 71 | Active |
| US8339067B2 | Circuits and methods for driving light sources | Emerging Cross-Sectional Technologies | 70 | Active |
| US8482219B2 | Driving circuit with dimming controller for driving light sources | Emerging Cross-Sectional Technologies | 65 | Active |
| US8339063B2 | Circuits and methods for driving light sources | Electricity | 64 | Active |
| US8698419B2 | Circuits and methods for driving light sources | Electricity | 59 | Active |
| US8508150B2 | Controllers, systems and methods for controlling dimming of light sources | Emerging Cross-Sectional Technologies | 56 | Active |
| US7969043B2 | Power management systems with multiple power sources | Electricity | 37 | Active |
| US8508142B2 | Portable lighting device and method thereof | Electricity | 35 | Active |
| US9386653B2 | Circuits and methods for driving light sources | Emerging Cross-Sectional Technologies | 31 | Active |
| US8502503B2 | Circuits and methods for protection of battery modules | Emerging Cross-Sectional Technologies | 31 | Active |
| US7919936B2 | Driving circuit for powering light sources | Electricity | 30 | Active |
| US8410711B2 | Circuits and methods for driving light sources | Emerging Cross-Sectional Technologies | 28 | Active |
| US8111017B2 | Circuits and methods for controlling dimming of a light source | Emerging Cross-Sectional Technologies | 27 | Active |
| US7126289B2 | Protection for external electrode fluorescent lamp system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8219333B2 | Battery management systems for protecting batteries from fault conditions | Emerging Cross-Sectional Technologies | 27 | Active |
| US9071049B2 | System and methods for protection of battery modules | Emerging Cross-Sectional Technologies | 25 | Active |
| US7173402B2 | Low dropout voltage regulator | Physics | 25 | Expired |
| US6895448B2 | Low-power audio CD player for portable computers | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8248439B2 | Backlight controller for driving light sources | Emerging Cross-Sectional Technologies | 22 | Active |
| US8242742B2 | Chargers, systems and methods for detecting a power source | Electricity | 21 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.